Changed default step height and ratio between SS and DS.
Changed default step height and ratio between SS and DS.

shehzi001/oru_walk_module,asherikov/oru_walk_module,asherikov/oru_walk_module,asherikov/oru_walk_module,nianxing/oru_walk_module,shehzi001/oru_walk_module,asherikov/oru_walk_module,nianxing/oru_walk_module,shehzi001/oru_walk_module,shehzi001/oru_walk_module,nianxing/oru_walk_module,nianxing/oru_walk_module